I first learned about funeral potatoes when my American friends told me this was the casserole that mysteriously appears at every gathering, and now I completely understand why. The combination of creamy sour cream, melted cheddar, and a shatteringly crispy cornflake topping is genuinely addictive and far too easy to make. This is the kind of comfort food that transcends its name and becomes the star of any table.
Make ahead tip: Assemble the casserole completely the night before, cover tightly, and refrigerate. Add 10 minutes to baking time if baking from cold. Storage: Keep leftovers in an airtight container in the refrigerator for up to 4 days. Reheat covered at 325F until warmed through. Variation: Swap the cheddar for sharp white cheddar or gruyere for deeper flavor, or add 1 cup of crispy bacon bits to the potato mixture.
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